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논문 기본 정보

자료유형
학술저널
저자정보
Lee, Yunhae (Department of Plastic and Reconstructive Surgery, Konkuk University Medical Center) Kim, Jeenam (Department of Plastic and Reconstructive Surgery, Konkuk University Medical Center) Lee, Myungchul (Department of Plastic and Reconstructive Surgery, Konkuk University Medical Center) Shin, Donghyeok (Department of Plastic and Reconstructive Surgery, Konkuk University Medical Center) Choi, Hyungon (Department of Plastic and Reconstructive Surgery, Konkuk University Medical Center)
저널정보
대한두개안면성형외과학회 Archives of craniofacial surgery : ACFS Archives of craniofacial surgery : ACFS 제20권 제6호
발행연도
2019.1
수록면
376 - 381 (6page)

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Background: This study was conducted to determine the relationship between third molar (M3) and mandibular fracture. Methods: Patients with unilateral mandibular angle or condyle fractures between 2008 and 2018 were evaluated retrospectively. Medical records were reviewed regarding the location of fractures, and panoramic radiographs were reviewed to discern the presence and position of ipsilateral mandibular third molars (M3). We measured the bony area of the mandibular angle (area A) and the bony area occupied by the M3 (area B) to calculate the true mandibular angle bony area ratio (area A-B/area A&#215;100). Results: The study consisted of 129 patients, of which 60 (46.5%) had angle fractures and 69 (53.5%) had condyle fractures. The risk of angle fracture was higher in the presence of M3 (odds ratio [OR], 2.2; p< 0.05) and the risk of condyle fracture was lower in the presence of M3 (OR, 0.45; p< 0.05), than in the absence of M3. The risk of angle fracture was higher in the presence of an impacted M3 (OR, 0.3; p< 0.001) and the risk of condyle fracture was lower in the presence of an impacted M3 (OR, 3.32; p< 0.001), than in the presence of a fully erupted M3. True mandibular angle bony area ratio was significantly lower in the angle fractures than in the condyle fractures (p= 0.003). Conclusion: Angle fractures had significantly lower true mandibular angle bony area ratios than condyle fractures. True mandibular angle bony area ratio, a simple and inexpensive method, could be an option to predict the mandibular fracture patterns.

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